The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.
Emergency deployment of direct air capture as a response to the climate crisis
Open accessAbstract
Though highly motivated to slow the climate crisis, governments may struggle to impose costly polices on entrenched interest groups, resulting in a greater need for negative emissions. Here, we model wartime-like crash deployment of direct air capture (DAC) as a policy response to the climate crisis, calculating funding, net CO 2 removal, and climate impacts. An emergency DAC program, with investment of 1.2–1.9% of global GDP annually, removes 2.2–2.3 GtCO 2 yr–1 in 2050, 13–20 GtCO 2 yr–1 in 2075, and 570–840 GtCO 2 cumulatively over 2025–2100. Compared to a future in which policy efforts to control emissions follow current trends (SSP2-4.5), DAC substantially hastens the onset of net-zero CO 2 emissions (to 2085–2095) and peak warming (to 2090–2095); yet warming still reaches 2.4–2.5 °C in 2100. Such massive CO 2 removals hinge on near-term investment to boost the future capacity for upscaling. DAC is most cost-effective when using electricity sources already available today: hydropower and natural gas with renewables; fully renewable systems are more expensive because their low load factors do not allow efficient amortization of capital-intensive DAC plants.
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Cites
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Probabilistic feasibility space of scaling up green hydrogen supply
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Perspectives and Outlook of E-fuels: Production, Cost Effectiveness, and Applications
Shi, K., Guan, B., Zhuang, Z., Chen, J., Chen, Y., Ma, Z., Zhu, C., Hu, X., Zhao, S., Dang, H., et al. (2024) · Energy & Fuels · doi:10.1021/acs.energyfuels.4c00409 · Cited by 42
Metadata
- Authors
- Hanna, R., Abdulla, A., Xu, Y., & Victor, D. G.
- Venue
- Nature Communications
- Published
- 2021-01-14
- Volume
- 12
- Issue
- 1
- Pages
- 368-368
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W3123255326
- Cited by
- 243
- References
- 14
- FWCI
- 17.11
- Type
- journal article
- Language
- en
- Open access
- gold
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